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nettle: Out of bounds memory access in signature verification

🗓️ 08 Apr 2021 21:55:13Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Nettle signature verification may use out-of-range scalars in elliptic curve multiply, risking invalid signatures and failures.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.9i686nettle2.7.1-9.el7_9nettle-2.7.1-9.el7_9.i686.rpm
Red Hat Enterprise Linux7.9ppcnettle2.7.1-9.el7_9nettle-2.7.1-9.el7_9.ppc.rpm
Red Hat Enterprise Linux7.9ppc64nettle2.7.1-9.el7_9nettle-2.7.1-9.el7_9.ppc64.rpm
Red Hat Enterprise Linux7.9ppc64lenettle2.7.1-9.el7_9nettle-2.7.1-9.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9s390nettle2.7.1-9.el7_9nettle-2.7.1-9.el7_9.s390.rpm
Red Hat Enterprise Linux7.9s390xnettle2.7.1-9.el7_9nettle-2.7.1-9.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64nettle2.7.1-9.el7_9nettle-2.7.1-9.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9i686nettle-debuginfo2.7.1-9.el7_9nettle-debuginfo-2.7.1-9.el7_9.i686.rpm
Red Hat Enterprise Linux7.9ppcnettle-debuginfo2.7.1-9.el7_9nettle-debuginfo-2.7.1-9.el7_9.ppc.rpm
Red Hat Enterprise Linux7.9ppc64nettle-debuginfo2.7.1-9.el7_9nettle-debuginfo-2.7.1-9.el7_9.ppc64.rpm
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07 Aug 2026 02:37Current
6.8Medium risk
Vulners AI Score6.8
CVSS 26.8
CVSS 3.18.1
EPSS0.01687
CWE-787
nettlesignature verificationout of range scalarselliptic curve multiplysecurity vulnerability
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